Experimental evidence of re-entrant spin glass (RSG) state has been revealed in Er-doped CeFe2 compounds. The zero-field-cooled - field-cooled bifurcation in dc magnetization, frequency dependence of freezing temperature, relaxation in zero-field-cooled magnetization and presence of large remanence have been discussed in detail. Frequency dependence is found to follow the critical slowing-down mechanism of the type: t = t0(T f/TSG -1) -zv. The RSG state is found to be associated with the randomly magnetized clusters instead of atomic level randomness. Copyright © EPLA, 2010.

Arabinda Haldar

Department of Physics

K.G. Suresh

A.K. Nigam

Fulltext

Indian Institute of Technology Hyderabad (IITH) is a premier institute of science and technology established in 2008. IITH has been consistently ranked in the&nbsp;<a href="https://iith.ac.in/reports/" rel="noopener noreferrer">top 10 institutes</a>&nbsp;in India for Engineering&nbsp;<a href="https://www.nirfindia.org/2021/EngineeringRanking.html" rel="noopener noreferrer" target="_blank">according to NIRF</a>&nbsp;making it one of the most coveted schools for science and technology in the country.

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Journal	EPL
ISSN	02955075